707b6831a5873637cfec2bae6eb15dcb26a94290f435df5db575cec4d3779f40

Analysis

max time kernel
150s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
13-09-2024 00:23

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General

Target

dd50bc268e3e68cf6e2ee4116f6679f8_JaffaCakes118.dll
Size

328KB
MD5

dd50bc268e3e68cf6e2ee4116f6679f8
SHA1

3443ecac369ea58acdc2f03c08cd60ff85d1eb3f
SHA256

707b6831a5873637cfec2bae6eb15dcb26a94290f435df5db575cec4d3779f40
SHA512

ef6b0b5ee79276f6bf6b74032977e877660e6e087cecc2970f6269acb6945c8f8d2d93a362cc5db6d9f5a6fe256ade0fe47607bb7955d328ec479564672f72c8
SSDEEP

1536:oYAFEcXOCJ7wTJTclsejT2CYXNzBmEcg1Uc33toW4ZgSjvPj8U/:r2EkESj6dzIESqtz4GSjvPwW

Score

7^/10

defense_evasion discovery privilege_escalation

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
4736	rundll32.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

pid	Process
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\msvcr.dll	rundll32.exe
File opened for modification	C:\Windows\msvcr.dll	rundll32.exe

Access Token Manipulation: Create Process with Token 1 TTPs 1 IoCs

defense_evasion privilege_escalation

Create Process with Token

T1134.002

pid	Process
4736	rundll32.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7B3AC3FA-B695-41b6-BAA0-860EB5EB6FD6}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7B3AC3FA-B695-41b6-BAA0-860EB5EB6FD6}\{F69EB73C-700A-42c9-8F9D-E8C4ABC27EF3} = "dd50bc268e3e68cf6e2ee4116f6679f8_JaffaCakes118.dll,1285821576,1708333367,-352895392"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InProcServer32	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}	rundll32.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe
4736	rundll32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4180 wrote to memory of 756	4180	rundll32.exe	85
PID 4180 wrote to memory of 756	4180	rundll32.exe	85
PID 4180 wrote to memory of 756	4180	rundll32.exe	85
PID 756 wrote to memory of 4736	756	rundll32.exe	86
PID 756 wrote to memory of 4736	756	rundll32.exe	86
PID 756 wrote to memory of 4736	756	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dd50bc268e3e68cf6e2ee4116f6679f8_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4180
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\dd50bc268e3e68cf6e2ee4116f6679f8_JaffaCakes118.dll,#1
  2⤵
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:756
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32 "C:\Windows\msvcr.dll",_RunAs@0
    3⤵
    - Loads dropped DLL
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Access Token Manipulation: Create Process with Token
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:4736

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Access Token Manipulation

T1134

Create Process with Token

T1134.002

Defense Evasion

Access Token Manipulation

T1134

Create Process with Token

T1134.002

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\msvcr.dll

Filesize
328KB

MD5
dd50bc268e3e68cf6e2ee4116f6679f8

SHA1
3443ecac369ea58acdc2f03c08cd60ff85d1eb3f

SHA256
707b6831a5873637cfec2bae6eb15dcb26a94290f435df5db575cec4d3779f40

SHA512
ef6b0b5ee79276f6bf6b74032977e877660e6e087cecc2970f6269acb6945c8f8d2d93a362cc5db6d9f5a6fe256ade0fe47607bb7955d328ec479564672f72c8

Download Submit
memory/756-0-0x0000000010000000-0x0000000010052000-memory.dmp

Filesize
328KB

Download
memory/756-6-0x0000000010000000-0x0000000010052000-memory.dmp

Filesize
328KB

Download
memory/4736-5-0x0000000010000000-0x0000000010052000-memory.dmp

Filesize
328KB

Download
memory/4736-7-0x0000000010000000-0x0000000010052000-memory.dmp

Filesize
328KB

Download